Witham is a place in England.
Witham is also a surname. Notable people with the surname include:
Dick Witham (1915–1999), professional soccer player
Drake Witham (born 1972), American stand-up comedian
George Witham (1655–1725), English Roman Catholic bishop
Henry Witham (1779–1844), English paleontologist
Myron E. Witham (1880–1973), American football player, coach of football and baseball
Robert Witham (1667–1738), English biblical scholar
Thomas Witham (c.1420–1489), English Chancellor of the Exchequer under Kings Henry VI and Edward IV
William Witham, (fl.1450–1472), English clergyman